Namco Museum Vol. 3 Cheats

Keep button 1 pressed while pushing the START button to continue from a previous game, as well as select which level.

While you're just standing there in the musuem, hold L1 and R1, and press Up, Right, Down, Left, Up, Right, Down, Left, Up, Right, Down, Left. There will be a pick-axe on the bottom of the screen. Now walk into the Tower of Druaga room, and go up to a brick wall in there. I think it's the first one you see. Press X once Pac-Man tells you something's there. Once the wall is destroyed, go through, and you can see Gil fighting Druaga.

During the demo mode, press Select 32 times to add to the Credits total in the bottom right corner of the screen. Now the number 32 should be displayed. Hold Select and press Start to begin the game in turbo mode.

Play Galaxian until you have 30,000 points or more. Then, press the triangle button during the demo sequence to go to the access the options menu. Choose the Test option and press x, when the test screen appears, press triangle, then choose the Dip sw option and press x, then choose the switch 6 and press up to turn it on. Now start the game and you will be playing in Psychidelic mode

Enter the service mode and select sound 19. Press the service switch to view the grid and enter U, U, U, U, D, R, R, L, L, L, L, L, L, START P2.